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Who Is at Risk for Primary Ciliary Dyskinesia?

Primary ciliary dyskinesia (PCD) is a rare disease that affects both males and females. The disease also affects people from all racial and ethnic groups.

Some people who have PCD have breathing problems from the moment of birth. However, other people can go through all or most of their lives without knowing that they have the disease.

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Primary Ciliary Dyskinesia Clinical Trials

Clinical trials are research studies that explore whether a medical strategy, treatment, or device is safe and effective for humans. To find clinical trials that are currently underway for Primary Ciliary Dyskinesia, visit

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June 01, 2011 Last Updated Icon

The NHLBI updates Health Topics articles on a biennial cycle based on a thorough review of research findings and new literature. The articles also are updated as needed if important new research is published. The date on each Health Topics article reflects when the content was originally posted or last revised.